'''
使用mylib2模块
'''
# import mylib
# from mylib2 import sum,div
# from mylib2 import *
# print("调用 suum(100,200)",sum(100,200))
# print("调用 div(200,5)",div(200,5))

def sum():
    print()

from mylib2 import sum as suum
print("调用 suum(100,200)",suum(100,200))
